题目内容
This social networking site is used for professional, business-oriented networking.
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Twitter is an example of what type of site?
_______ typically broadcast live events and use streaming technology in which audio and video files are continuously downloaded to your computer while you are listening to and/or viewing the content.
_______ do not use streaming technology and are used to download media files to your computer.
Which of the following is a website specially designed to allow visitors to use their browser to add, edit, or delete the site's content?
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